GMR-235 Stainless Steels to A 372/A 372M (2012)

GMR-235 - Specification & Application

  • A 372/A 372M (2012) - Special Purpose Alloys ("Superalloys")

Special Purpose Alloys ("Superalloys")

Chemical composition(wt.%) of GMR-235 grade: to A 372/A 372M (2012)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.15
Si - 0.30
Mn - 0.13
P - -
S - -
Ni - remaining
Cr - 15.50
Al - 3.00
Cu - -
Ti - 2.00
Fe - 10.00
Mo - 5.25
Co - -
B - 0.06

GMR-235 - Detail

Special Purpose Alloys ("Superalloys")

Mechanical properties of grade GMR-235 A 372/A 372M (2012)

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
368 (≥) 586 (≥) 34 41 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 223

Physical properties of grade GMR-235 A 372/A 372M (2012)

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
997 (≥) 881 (≥) 42 32 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 121
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
199 853 178

Equivalent Grade

Equivalent Products

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